As tested and confirmed by Lockheed Martin, the City Labs NanoTritiumTM betavoltaic is able to resist broad temperature extremes where traditional lithium batteries are subject to failure. Lockheed Martin tested previous versions of these newly available commercial power sources; they were found to be resistant to extreme temperatures (-50°C to +150°C), as well as extreme vibration and altitude.

City Labs is the first company in the betavoltaic battery industry to be granted a Product Regulatory General License to manufacture, sell, and distribute its NanoTritium™ betavoltaic power sources. These devices contain small amounts of tritium, a radioisotope commonly found in Exit signs and diver’s watches. The General License provides the end-user with a safe, reliable and commercially available betavoltaic power source, and eliminates both the burden of regulatory paperwork and end-user radiological training. The General License also allows for easy purchase of the betavoltaic power source without requiring the customer to have a prior radiation license.